We can manufacture SWING CHECK VALVE castings sizing from 1" to 24" with pressure rating 150# to 2500# with maximum single pc weight of 600 kgpc As per the Indian & overseas standards with material grades as mentioned below- 1. CARBON STEEL - WCB, WCC2. LOW TEMP APPLICATION STEEL - LCB, LCC, 3. ALLOY STEEL - WC6, WC94. STAINLESS STEEL -CF3, CF3M, CF8, CF8M, CN7M 5. MARTENSITIC STEEL - CA-15, CA6NM6. NICKLE ALLOYS - HASTELLOY-BC, MONEL K-400500, INCONEL, 7. DUPLEX STEEL - GRADE 1A, 4A, 5A & 6A 8. HIGH CHROME IRON BS:4844, GRADE 3D